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INFRA.sens® AK250

INFRA.sens AK250
Gases:

Table of Contents

Applications

Options

Features & Benefits

  • High dynamic range
  • Low power consumption < 2 W @ 24 V
  • Different interfaces (RS232, CANbus)
  • Low drift
  • MARS-Tool (Wi.Tec Software)

Sensor Configurations

    Gas Channel 1 (*) Gas Channel 2 (*) Gas Channel 3 (*) Gas Channel 4 (*) Options (**)
Single Gas Module 1.1 O₂ P H
Dual Gas Module 2.1 O₂ P H
2.2 O₂ P H
Triple Gas Module 3.1 O₂ P H
(*) If several gases are displayed in one column, only one gas can be selected per column
(**) O₂ = Oxygen, P = Pressure, H = Humidity

List of measurement ranges

  Measuring range (*)
100
Vol.%		 50
Vol.%		 30
Vol.%		 20
Vol.%		 10
Vol.%		 5
Vol.%		 1
Vol.%		 5,000
 ppm		 2,000
 ppm		 1,000
 ppm		 500
 ppm		 300
 ppm		 100
 ppm		 50
 ppm		 10
 ppm		 1
 ppm
CO
CO₂
CₙHₘ
N₂O
SF₆
CH₄
(*) Full scale value (F.S.)
For other measuring ranges please refer to our further datasheets

Technical Drawing (Dimensions)

INS250 Dimensions compact

Technical Data

General features*
Measurement principle Non-dispersive infrared (NDIR); dual beam; dual to quad wavelenghts
Measurement range see list of measurement ranges
Gas flow 0.1 – 1.5 l/min
Dimensions 319mm x 120mm x 75mm
Weight approx. 720g
Tube connector 4/6mm tube
Lifetime of IR radiation source > 40 000h
Measuring response*
Warm-up time 1 min (initial), <15 min 2
Response time (t90) 1.5s – 15s 3
Detection limit (3·σ) < 0,5 %F.S. 4
Linearity error < ± 1 %F.S.
Repeatibility < ± 0.3% of reading
Long term stability (zero) < ± 2 %F.S. /week
Long term stability (span) < ± 2 %F.S. /month
Temp. Influence zero < 1 %F.S. /10K
Temp. Influence span < 1 %F.S. /10K 5
Cross sensitivity < 2 %F.S. 6
Pressure influence < 1.5%/10hPa of reading
related to Pa = 1020hPa ; Ta= 25°C ; flow = 1l/min // 1 F.S. full scale // 2 full specification, demands to environmental conditions // 3 depends on digital filter settings // 4 at zero point // 5 with span temperature compensation // 6 to each calibrated gas channel, other gases on request // 7 without pressure compensation
Electrical inputs and outputs
Supply voltage 24 (15 – 30) VDC
Supply current (peak) < 0.1A
Power consumption (average) < 2W
Digital output signal RS 232 (ASCII) or CANbus
Climatic conditions
Operating temperature* 5 – 45 °C8
Storage temperature -20 – 60 °C
Air pressure 600 – 1200 hPa (mbar)
Ambient humidity 0 – 95 % rel. humidity (not condensing)
*stable climatic conditions recommended, please check dewpoint considerations

Subject to change without notice. // 2021-06 Rev.03

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